TM 5-6675-307-14
Figure 1-3. Theodolite, rear view.
b. Accessories. The accessories and the
The telescope prismatic eyepiece has a filter adjacent
to the lens which can be positioned over the eyepiece
tools are contained in the tool and accessory case (fig.
when making direct observations of the sun.
(c) Telescope sun filter. A sun filter is
(1) The following items are contained in
the tool and accessory case.
included in the case for use when making direct
(a) Compass. The compass is a
observations of the sun (fig. 2-11).
(d) Light
attachment.
A
light
circular magnetic type that mounts on the alidade (fig.
attachment and light guide are contained in the case to
212). The compass is equipped with a magnifying
eyepiece to view the scale readings. Spare compass
permit viewing the altitude and plate level bubbles,
pivots (holder assemblies) are also contained in the
circles, and telescope reticle during night operation.
The light attachment mounts on the left cover of the
case.
(b) Prismatic eyepieces.
Two
alidade by means of two plugs which are inserted into
two jacks in the cover. One end of the fiber light guide is
prismatic eyepieces are provided in the case; the larger
inserted through the knurled fitting at the bottom of the
one for the telescope and the smaller for the microscope
(fig 2-10). The eyepieces are used for extreme inclined
and declined sights when the observer cannot sight
directly
into
the
normal
eyepieces.
1-4
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